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broadcast-channel
Advanced tools
broadcast-channel - npm Package Compare versions
Comparing version 4.4.0 to 4.5.0
@@ -5,2 +5,7 @@ # CHANGELOG | ||
| ## 4.5.0 (5 November 2021) | ||
| Bugfixes: | ||
| - Running `applyOnce()` in a loop must not fully block the JavaScript process. | ||
| ## 4.4.0 (2 November 2021) | ||
@@ -7,0 +12,0 @@ |
| "use strict"; | ||
| var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault"); | ||
| Object.defineProperty(exports, "__esModule", { | ||
@@ -13,5 +11,7 @@ value: true | ||
| var _unload = _interopRequireDefault(require("unload")); | ||
| var _unload = require("unload"); | ||
| var LeaderElection = function LeaderElection(broadcastChannel, options) { | ||
| var _this = this; | ||
| this.broadcastChannel = broadcastChannel; | ||
@@ -23,2 +23,9 @@ this._options = options; | ||
| this.token = (0, _util.randomToken)(); | ||
| /** | ||
| * _isApplying | ||
| * Only set when a leader application is | ||
| * running at the moment. | ||
| * @type {Promise<any> | null} | ||
| */ | ||
| this._isApl = false; // _isApplying | ||
@@ -38,2 +45,24 @@ | ||
| this._dpLC = false; // true when onduplicate called | ||
| /** | ||
| * Even when the own instance is not applying, | ||
| * we still listen to messages to ensure the hasLeader flag | ||
| * is set correctly. | ||
| */ | ||
| var hasLeaderListener = function hasLeaderListener(msg) { | ||
| if (msg.context === 'leader') { | ||
| if (msg.action === 'death') { | ||
| _this.hasLeader = false; | ||
| } | ||
| if (msg.action === 'tell') { | ||
| _this.hasLeader = true; | ||
| } | ||
| } | ||
| }; | ||
| this.broadcastChannel.addEventListener('internal', hasLeaderListener); | ||
| this._lstns.push(hasLeaderListener); | ||
| }; | ||
@@ -43,6 +72,6 @@ | ||
| applyOnce: function applyOnce() { | ||
| var _this = this; | ||
| var _this2 = this; | ||
| if (this.isLeader) { | ||
| return _util.PROMISE_RESOLVED_FALSE; | ||
| return (0, _util.sleep)(0, true); | ||
| } | ||
@@ -57,6 +86,5 @@ | ||
| this._reApply = true; | ||
| return _util.PROMISE_RESOLVED_FALSE; | ||
| return (0, _util.sleep)(0, false); | ||
| } | ||
| this._isApl = true; | ||
| var stopCriteria = false; | ||
@@ -66,3 +94,3 @@ var recieved = []; | ||
| var handleMessage = function handleMessage(msg) { | ||
| if (msg.context === 'leader' && msg.token != _this.token) { | ||
| if (msg.context === 'leader' && msg.token != _this2.token) { | ||
| recieved.push(msg); | ||
@@ -72,3 +100,3 @@ | ||
| // other is applying | ||
| if (msg.token > _this.token) { | ||
| if (msg.token > _this2.token) { | ||
| // other has higher token, stop applying | ||
@@ -82,3 +110,3 @@ stopCriteria = true; | ||
| stopCriteria = true; | ||
| _this.hasLeader = true; | ||
| _this2.hasLeader = true; | ||
| } | ||
@@ -90,5 +118,5 @@ } | ||
| var ret = _sendMessage(this, 'apply') // send out that this one is applying | ||
| var applyPromise = _sendMessage(this, 'apply') // send out that this one is applying | ||
| .then(function () { | ||
| return (0, _util.sleep)(_this._options.responseTime); | ||
| return (0, _util.sleep)(_this2._options.responseTime); | ||
| }) // let others time to respond | ||
@@ -99,6 +127,6 @@ .then(function () { | ||
| } else { | ||
| return _sendMessage(_this, 'apply'); | ||
| return _sendMessage(_this2, 'apply'); | ||
| } | ||
| }).then(function () { | ||
| return (0, _util.sleep)(_this._options.responseTime); | ||
| return (0, _util.sleep)(_this2._options.responseTime); | ||
| }) // let others time to respond | ||
@@ -109,6 +137,6 @@ .then(function () { | ||
| } else { | ||
| return _sendMessage(_this); | ||
| return _sendMessage(_this2); | ||
| } | ||
| }).then(function () { | ||
| return beLeader(_this); | ||
| return beLeader(_this2); | ||
| }) // no one disagreed -> this one is now leader | ||
@@ -121,13 +149,16 @@ .then(function () { | ||
| .then(function (success) { | ||
| _this.broadcastChannel.removeEventListener('internal', handleMessage); | ||
| _this2.broadcastChannel.removeEventListener('internal', handleMessage); | ||
| _this._isApl = false; | ||
| _this2._isApl = false; | ||
| if (!success && _this._reApply) { | ||
| _this._reApply = false; | ||
| return _this.applyOnce(); | ||
| } else return success; | ||
| if (!success && _this2._reApply) { | ||
| _this2._reApply = false; | ||
| return _this2.applyOnce(); | ||
| } else { | ||
| return success; | ||
| } | ||
| }); | ||
| return ret; | ||
| this._isApl = applyPromise; | ||
| return applyPromise; | ||
| }, | ||
@@ -149,15 +180,10 @@ awaitLeadership: function awaitLeadership() { | ||
| die: function die() { | ||
| var _this2 = this; | ||
| var _this3 = this; | ||
| if (this.isDead || !this.isLeader) { | ||
| return; | ||
| } | ||
| this.hasLeader = false; | ||
| this.isDead = true; | ||
| this._lstns.forEach(function (listener) { | ||
| return _this2.broadcastChannel.removeEventListener('internal', listener); | ||
| return _this3.broadcastChannel.removeEventListener('internal', listener); | ||
| }); | ||
| this._lstns = []; | ||
| this._invs.forEach(function (interval) { | ||
@@ -167,6 +193,16 @@ return clearInterval(interval); | ||
| this._invs = []; | ||
| this._unl.forEach(function (uFn) { | ||
| uFn.remove(); | ||
| return uFn.remove(); | ||
| }); | ||
| this._unl = []; | ||
| if (this.isLeader) { | ||
| this.hasLeader = false; | ||
| this.isLeader = false; | ||
| } | ||
| this.isDead = true; | ||
| return _sendMessage(this, 'death'); | ||
@@ -249,4 +285,3 @@ } | ||
| leaderElector.hasLeader = true; | ||
| var unloadFn = _unload["default"].add(function () { | ||
| var unloadFn = (0, _unload.add)(function () { | ||
| return leaderElector.die(); | ||
@@ -253,0 +288,0 @@ }); |
@@ -63,3 +63,3 @@ "use strict"; | ||
| var _unload = _interopRequireDefault(require("unload")); | ||
| var _unload = require("unload"); | ||
@@ -750,3 +750,3 @@ var _options = require("../options.js"); | ||
| // ensure if process crashes, everything is cleaned up | ||
| removeUnload: _unload["default"].add(function () { | ||
| removeUnload: (0, _unload.add)(function () { | ||
| return close(state); | ||
@@ -753,0 +753,0 @@ }), |
@@ -29,6 +29,8 @@ "use strict"; | ||
| function sleep(time) { | ||
| function sleep(time, resolveWith) { | ||
| if (!time) time = 0; | ||
| return new Promise(function (res) { | ||
| return setTimeout(res, time); | ||
| return setTimeout(function () { | ||
| return res(resolveWith); | ||
| }, time); | ||
| }); | ||
@@ -35,0 +37,0 @@ } |
| import { sleep, randomToken, PROMISE_RESOLVED_FALSE, PROMISE_RESOLVED_VOID } from './util.js'; | ||
| import unload from 'unload'; | ||
| import { add as unloadAdd } from 'unload'; | ||
| var LeaderElection = function LeaderElection(broadcastChannel, options) { | ||
| var _this = this; | ||
| this.broadcastChannel = broadcastChannel; | ||
@@ -11,2 +13,9 @@ this._options = options; | ||
| this.token = randomToken(); | ||
| /** | ||
| * _isApplying | ||
| * Only set when a leader application is | ||
| * running at the moment. | ||
| * @type {Promise<any> | null} | ||
| */ | ||
| this._isApl = false; // _isApplying | ||
@@ -26,2 +35,24 @@ | ||
| this._dpLC = false; // true when onduplicate called | ||
| /** | ||
| * Even when the own instance is not applying, | ||
| * we still listen to messages to ensure the hasLeader flag | ||
| * is set correctly. | ||
| */ | ||
| var hasLeaderListener = function hasLeaderListener(msg) { | ||
| if (msg.context === 'leader') { | ||
| if (msg.action === 'death') { | ||
| _this.hasLeader = false; | ||
| } | ||
| if (msg.action === 'tell') { | ||
| _this.hasLeader = true; | ||
| } | ||
| } | ||
| }; | ||
| this.broadcastChannel.addEventListener('internal', hasLeaderListener); | ||
| this._lstns.push(hasLeaderListener); | ||
| }; | ||
@@ -31,6 +62,6 @@ | ||
| applyOnce: function applyOnce() { | ||
| var _this = this; | ||
| var _this2 = this; | ||
| if (this.isLeader) { | ||
| return PROMISE_RESOLVED_FALSE; | ||
| return sleep(0, true); | ||
| } | ||
@@ -45,6 +76,5 @@ | ||
| this._reApply = true; | ||
| return PROMISE_RESOLVED_FALSE; | ||
| return sleep(0, false); | ||
| } | ||
| this._isApl = true; | ||
| var stopCriteria = false; | ||
@@ -54,3 +84,3 @@ var recieved = []; | ||
| var handleMessage = function handleMessage(msg) { | ||
| if (msg.context === 'leader' && msg.token != _this.token) { | ||
| if (msg.context === 'leader' && msg.token != _this2.token) { | ||
| recieved.push(msg); | ||
@@ -60,3 +90,3 @@ | ||
| // other is applying | ||
| if (msg.token > _this.token) { | ||
| if (msg.token > _this2.token) { | ||
| // other has higher token, stop applying | ||
@@ -70,3 +100,3 @@ stopCriteria = true; | ||
| stopCriteria = true; | ||
| _this.hasLeader = true; | ||
| _this2.hasLeader = true; | ||
| } | ||
@@ -78,5 +108,5 @@ } | ||
| var ret = _sendMessage(this, 'apply') // send out that this one is applying | ||
| var applyPromise = _sendMessage(this, 'apply') // send out that this one is applying | ||
| .then(function () { | ||
| return sleep(_this._options.responseTime); | ||
| return sleep(_this2._options.responseTime); | ||
| }) // let others time to respond | ||
@@ -87,6 +117,6 @@ .then(function () { | ||
| } else { | ||
| return _sendMessage(_this, 'apply'); | ||
| return _sendMessage(_this2, 'apply'); | ||
| } | ||
| }).then(function () { | ||
| return sleep(_this._options.responseTime); | ||
| return sleep(_this2._options.responseTime); | ||
| }) // let others time to respond | ||
@@ -97,6 +127,6 @@ .then(function () { | ||
| } else { | ||
| return _sendMessage(_this); | ||
| return _sendMessage(_this2); | ||
| } | ||
| }).then(function () { | ||
| return beLeader(_this); | ||
| return beLeader(_this2); | ||
| }) // no one disagreed -> this one is now leader | ||
@@ -109,13 +139,16 @@ .then(function () { | ||
| .then(function (success) { | ||
| _this.broadcastChannel.removeEventListener('internal', handleMessage); | ||
| _this2.broadcastChannel.removeEventListener('internal', handleMessage); | ||
| _this._isApl = false; | ||
| _this2._isApl = false; | ||
| if (!success && _this._reApply) { | ||
| _this._reApply = false; | ||
| return _this.applyOnce(); | ||
| } else return success; | ||
| if (!success && _this2._reApply) { | ||
| _this2._reApply = false; | ||
| return _this2.applyOnce(); | ||
| } else { | ||
| return success; | ||
| } | ||
| }); | ||
| return ret; | ||
| this._isApl = applyPromise; | ||
| return applyPromise; | ||
| }, | ||
@@ -137,15 +170,10 @@ awaitLeadership: function awaitLeadership() { | ||
| die: function die() { | ||
| var _this2 = this; | ||
| var _this3 = this; | ||
| if (this.isDead || !this.isLeader) { | ||
| return; | ||
| } | ||
| this.hasLeader = false; | ||
| this.isDead = true; | ||
| this._lstns.forEach(function (listener) { | ||
| return _this2.broadcastChannel.removeEventListener('internal', listener); | ||
| return _this3.broadcastChannel.removeEventListener('internal', listener); | ||
| }); | ||
| this._lstns = []; | ||
| this._invs.forEach(function (interval) { | ||
@@ -155,6 +183,16 @@ return clearInterval(interval); | ||
| this._invs = []; | ||
| this._unl.forEach(function (uFn) { | ||
| uFn.remove(); | ||
| return uFn.remove(); | ||
| }); | ||
| this._unl = []; | ||
| if (this.isLeader) { | ||
| this.hasLeader = false; | ||
| this.isLeader = false; | ||
| } | ||
| this.isDead = true; | ||
| return _sendMessage(this, 'death'); | ||
@@ -237,3 +275,3 @@ } | ||
| leaderElector.hasLeader = true; | ||
| var unloadFn = unload.add(function () { | ||
| var unloadFn = unloadAdd(function () { | ||
| return leaderElector.die(); | ||
@@ -240,0 +278,0 @@ }); |
@@ -18,3 +18,3 @@ import _asyncToGenerator from "@babel/runtime/helpers/asyncToGenerator"; | ||
| import isNode from 'detect-node'; | ||
| import unload from 'unload'; | ||
| import { add as unloadAdd } from 'unload'; | ||
| import { fillOptionsWithDefaults } from '../options.js'; | ||
@@ -663,3 +663,3 @@ import { randomInt, randomToken, PROMISE_RESOLVED_VOID } from '../util.js'; | ||
| // ensure if process crashes, everything is cleaned up | ||
| removeUnload: unload.add(function () { | ||
| removeUnload: unloadAdd(function () { | ||
| return close(state); | ||
@@ -666,0 +666,0 @@ }), |
@@ -13,6 +13,8 @@ /** | ||
| export var PROMISE_RESOLVED_VOID = Promise.resolve(); | ||
| export function sleep(time) { | ||
| export function sleep(time, resolveWith) { | ||
| if (!time) time = 0; | ||
| return new Promise(function (res) { | ||
| return setTimeout(res, time); | ||
| return setTimeout(function () { | ||
| return res(resolveWith); | ||
| }, time); | ||
| }); | ||
@@ -19,0 +21,0 @@ } |
| import { sleep, randomToken, PROMISE_RESOLVED_FALSE, PROMISE_RESOLVED_VOID } from './util.js'; | ||
| import unload from 'unload'; | ||
| import { add as unloadAdd } from 'unload'; | ||
| var LeaderElection = function LeaderElection(broadcastChannel, options) { | ||
| var _this = this; | ||
| this.broadcastChannel = broadcastChannel; | ||
@@ -11,2 +13,9 @@ this._options = options; | ||
| this.token = randomToken(); | ||
| /** | ||
| * _isApplying | ||
| * Only set when a leader application is | ||
| * running at the moment. | ||
| * @type {Promise<any> | null} | ||
| */ | ||
| this._isApl = false; // _isApplying | ||
@@ -26,2 +35,24 @@ | ||
| this._dpLC = false; // true when onduplicate called | ||
| /** | ||
| * Even when the own instance is not applying, | ||
| * we still listen to messages to ensure the hasLeader flag | ||
| * is set correctly. | ||
| */ | ||
| var hasLeaderListener = function hasLeaderListener(msg) { | ||
| if (msg.context === 'leader') { | ||
| if (msg.action === 'death') { | ||
| _this.hasLeader = false; | ||
| } | ||
| if (msg.action === 'tell') { | ||
| _this.hasLeader = true; | ||
| } | ||
| } | ||
| }; | ||
| this.broadcastChannel.addEventListener('internal', hasLeaderListener); | ||
| this._lstns.push(hasLeaderListener); | ||
| }; | ||
@@ -31,6 +62,6 @@ | ||
| applyOnce: function applyOnce() { | ||
| var _this = this; | ||
| var _this2 = this; | ||
| if (this.isLeader) { | ||
| return PROMISE_RESOLVED_FALSE; | ||
| return sleep(0, true); | ||
| } | ||
@@ -45,6 +76,5 @@ | ||
| this._reApply = true; | ||
| return PROMISE_RESOLVED_FALSE; | ||
| return sleep(0, false); | ||
| } | ||
| this._isApl = true; | ||
| var stopCriteria = false; | ||
@@ -54,3 +84,3 @@ var recieved = []; | ||
| var handleMessage = function handleMessage(msg) { | ||
| if (msg.context === 'leader' && msg.token != _this.token) { | ||
| if (msg.context === 'leader' && msg.token != _this2.token) { | ||
| recieved.push(msg); | ||
@@ -60,3 +90,3 @@ | ||
| // other is applying | ||
| if (msg.token > _this.token) { | ||
| if (msg.token > _this2.token) { | ||
| // other has higher token, stop applying | ||
@@ -70,3 +100,3 @@ stopCriteria = true; | ||
| stopCriteria = true; | ||
| _this.hasLeader = true; | ||
| _this2.hasLeader = true; | ||
| } | ||
@@ -78,5 +108,5 @@ } | ||
| var ret = _sendMessage(this, 'apply') // send out that this one is applying | ||
| var applyPromise = _sendMessage(this, 'apply') // send out that this one is applying | ||
| .then(function () { | ||
| return sleep(_this._options.responseTime); | ||
| return sleep(_this2._options.responseTime); | ||
| }) // let others time to respond | ||
@@ -87,6 +117,6 @@ .then(function () { | ||
| } else { | ||
| return _sendMessage(_this, 'apply'); | ||
| return _sendMessage(_this2, 'apply'); | ||
| } | ||
| }).then(function () { | ||
| return sleep(_this._options.responseTime); | ||
| return sleep(_this2._options.responseTime); | ||
| }) // let others time to respond | ||
@@ -97,6 +127,6 @@ .then(function () { | ||
| } else { | ||
| return _sendMessage(_this); | ||
| return _sendMessage(_this2); | ||
| } | ||
| }).then(function () { | ||
| return beLeader(_this); | ||
| return beLeader(_this2); | ||
| }) // no one disagreed -> this one is now leader | ||
@@ -109,13 +139,16 @@ .then(function () { | ||
| .then(function (success) { | ||
| _this.broadcastChannel.removeEventListener('internal', handleMessage); | ||
| _this2.broadcastChannel.removeEventListener('internal', handleMessage); | ||
| _this._isApl = false; | ||
| _this2._isApl = false; | ||
| if (!success && _this._reApply) { | ||
| _this._reApply = false; | ||
| return _this.applyOnce(); | ||
| } else return success; | ||
| if (!success && _this2._reApply) { | ||
| _this2._reApply = false; | ||
| return _this2.applyOnce(); | ||
| } else { | ||
| return success; | ||
| } | ||
| }); | ||
| return ret; | ||
| this._isApl = applyPromise; | ||
| return applyPromise; | ||
| }, | ||
@@ -137,15 +170,10 @@ awaitLeadership: function awaitLeadership() { | ||
| die: function die() { | ||
| var _this2 = this; | ||
| var _this3 = this; | ||
| if (this.isDead || !this.isLeader) { | ||
| return; | ||
| } | ||
| this.hasLeader = false; | ||
| this.isDead = true; | ||
| this._lstns.forEach(function (listener) { | ||
| return _this2.broadcastChannel.removeEventListener('internal', listener); | ||
| return _this3.broadcastChannel.removeEventListener('internal', listener); | ||
| }); | ||
| this._lstns = []; | ||
| this._invs.forEach(function (interval) { | ||
@@ -155,6 +183,16 @@ return clearInterval(interval); | ||
| this._invs = []; | ||
| this._unl.forEach(function (uFn) { | ||
| uFn.remove(); | ||
| return uFn.remove(); | ||
| }); | ||
| this._unl = []; | ||
| if (this.isLeader) { | ||
| this.hasLeader = false; | ||
| this.isLeader = false; | ||
| } | ||
| this.isDead = true; | ||
| return _sendMessage(this, 'death'); | ||
@@ -237,3 +275,3 @@ } | ||
| leaderElector.hasLeader = true; | ||
| var unloadFn = unload.add(function () { | ||
| var unloadFn = unloadAdd(function () { | ||
| return leaderElector.die(); | ||
@@ -240,0 +278,0 @@ }); |
@@ -18,3 +18,3 @@ import _asyncToGenerator from "@babel/runtime/helpers/asyncToGenerator"; | ||
| import isNode from 'detect-node'; | ||
| import unload from 'unload'; | ||
| import { add as unloadAdd } from 'unload'; | ||
| import { fillOptionsWithDefaults } from '../options.js'; | ||
@@ -663,3 +663,3 @@ import { randomInt, randomToken, PROMISE_RESOLVED_VOID } from '../util.js'; | ||
| // ensure if process crashes, everything is cleaned up | ||
| removeUnload: unload.add(function () { | ||
| removeUnload: unloadAdd(function () { | ||
| return close(state); | ||
@@ -666,0 +666,0 @@ }), |
@@ -13,6 +13,8 @@ /** | ||
| export var PROMISE_RESOLVED_VOID = Promise.resolve(); | ||
| export function sleep(time) { | ||
| export function sleep(time, resolveWith) { | ||
| if (!time) time = 0; | ||
| return new Promise(function (res) { | ||
| return setTimeout(res, time); | ||
| return setTimeout(function () { | ||
| return res(resolveWith); | ||
| }, time); | ||
| }); | ||
@@ -19,0 +21,0 @@ } |
@@ -353,4 +353,2 @@ (function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(require,module,exports){ | ||
| var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault"); | ||
| Object.defineProperty(exports, "__esModule", { | ||
@@ -364,5 +362,7 @@ value: true | ||
| var _unload = _interopRequireDefault(require("unload")); | ||
| var _unload = require("unload"); | ||
| var LeaderElection = function LeaderElection(broadcastChannel, options) { | ||
| var _this = this; | ||
| this.broadcastChannel = broadcastChannel; | ||
@@ -374,2 +374,9 @@ this._options = options; | ||
| this.token = (0, _util.randomToken)(); | ||
| /** | ||
| * _isApplying | ||
| * Only set when a leader application is | ||
| * running at the moment. | ||
| * @type {Promise<any> | null} | ||
| */ | ||
| this._isApl = false; // _isApplying | ||
@@ -389,2 +396,24 @@ | ||
| this._dpLC = false; // true when onduplicate called | ||
| /** | ||
| * Even when the own instance is not applying, | ||
| * we still listen to messages to ensure the hasLeader flag | ||
| * is set correctly. | ||
| */ | ||
| var hasLeaderListener = function hasLeaderListener(msg) { | ||
| if (msg.context === 'leader') { | ||
| if (msg.action === 'death') { | ||
| _this.hasLeader = false; | ||
| } | ||
| if (msg.action === 'tell') { | ||
| _this.hasLeader = true; | ||
| } | ||
| } | ||
| }; | ||
| this.broadcastChannel.addEventListener('internal', hasLeaderListener); | ||
| this._lstns.push(hasLeaderListener); | ||
| }; | ||
@@ -394,6 +423,6 @@ | ||
| applyOnce: function applyOnce() { | ||
| var _this = this; | ||
| var _this2 = this; | ||
| if (this.isLeader) { | ||
| return _util.PROMISE_RESOLVED_FALSE; | ||
| return (0, _util.sleep)(0, true); | ||
| } | ||
@@ -408,6 +437,5 @@ | ||
| this._reApply = true; | ||
| return _util.PROMISE_RESOLVED_FALSE; | ||
| return (0, _util.sleep)(0, false); | ||
| } | ||
| this._isApl = true; | ||
| var stopCriteria = false; | ||
@@ -417,3 +445,3 @@ var recieved = []; | ||
| var handleMessage = function handleMessage(msg) { | ||
| if (msg.context === 'leader' && msg.token != _this.token) { | ||
| if (msg.context === 'leader' && msg.token != _this2.token) { | ||
| recieved.push(msg); | ||
@@ -423,3 +451,3 @@ | ||
| // other is applying | ||
| if (msg.token > _this.token) { | ||
| if (msg.token > _this2.token) { | ||
| // other has higher token, stop applying | ||
@@ -433,3 +461,3 @@ stopCriteria = true; | ||
| stopCriteria = true; | ||
| _this.hasLeader = true; | ||
| _this2.hasLeader = true; | ||
| } | ||
@@ -441,5 +469,5 @@ } | ||
| var ret = _sendMessage(this, 'apply') // send out that this one is applying | ||
| var applyPromise = _sendMessage(this, 'apply') // send out that this one is applying | ||
| .then(function () { | ||
| return (0, _util.sleep)(_this._options.responseTime); | ||
| return (0, _util.sleep)(_this2._options.responseTime); | ||
| }) // let others time to respond | ||
@@ -450,6 +478,6 @@ .then(function () { | ||
| } else { | ||
| return _sendMessage(_this, 'apply'); | ||
| return _sendMessage(_this2, 'apply'); | ||
| } | ||
| }).then(function () { | ||
| return (0, _util.sleep)(_this._options.responseTime); | ||
| return (0, _util.sleep)(_this2._options.responseTime); | ||
| }) // let others time to respond | ||
@@ -460,6 +488,6 @@ .then(function () { | ||
| } else { | ||
| return _sendMessage(_this); | ||
| return _sendMessage(_this2); | ||
| } | ||
| }).then(function () { | ||
| return beLeader(_this); | ||
| return beLeader(_this2); | ||
| }) // no one disagreed -> this one is now leader | ||
@@ -472,13 +500,16 @@ .then(function () { | ||
| .then(function (success) { | ||
| _this.broadcastChannel.removeEventListener('internal', handleMessage); | ||
| _this2.broadcastChannel.removeEventListener('internal', handleMessage); | ||
| _this._isApl = false; | ||
| _this2._isApl = false; | ||
| if (!success && _this._reApply) { | ||
| _this._reApply = false; | ||
| return _this.applyOnce(); | ||
| } else return success; | ||
| if (!success && _this2._reApply) { | ||
| _this2._reApply = false; | ||
| return _this2.applyOnce(); | ||
| } else { | ||
| return success; | ||
| } | ||
| }); | ||
| return ret; | ||
| this._isApl = applyPromise; | ||
| return applyPromise; | ||
| }, | ||
@@ -500,15 +531,10 @@ awaitLeadership: function awaitLeadership() { | ||
| die: function die() { | ||
| var _this2 = this; | ||
| var _this3 = this; | ||
| if (this.isDead || !this.isLeader) { | ||
| return; | ||
| } | ||
| this.hasLeader = false; | ||
| this.isDead = true; | ||
| this._lstns.forEach(function (listener) { | ||
| return _this2.broadcastChannel.removeEventListener('internal', listener); | ||
| return _this3.broadcastChannel.removeEventListener('internal', listener); | ||
| }); | ||
| this._lstns = []; | ||
| this._invs.forEach(function (interval) { | ||
@@ -518,6 +544,16 @@ return clearInterval(interval); | ||
| this._invs = []; | ||
| this._unl.forEach(function (uFn) { | ||
| uFn.remove(); | ||
| return uFn.remove(); | ||
| }); | ||
| this._unl = []; | ||
| if (this.isLeader) { | ||
| this.hasLeader = false; | ||
| this.isLeader = false; | ||
| } | ||
| this.isDead = true; | ||
| return _sendMessage(this, 'death'); | ||
@@ -600,4 +636,3 @@ } | ||
| leaderElector.hasLeader = true; | ||
| var unloadFn = _unload["default"].add(function () { | ||
| var unloadFn = (0, _unload.add)(function () { | ||
| return leaderElector.die(); | ||
@@ -669,3 +704,3 @@ }); | ||
| } | ||
| },{"./util.js":12,"@babel/runtime/helpers/interopRequireDefault":13,"unload":20}],6:[function(require,module,exports){ | ||
| },{"./util.js":12,"unload":20}],6:[function(require,module,exports){ | ||
| "use strict"; | ||
@@ -1518,6 +1553,8 @@ | ||
| function sleep(time) { | ||
| function sleep(time, resolveWith) { | ||
| if (!time) time = 0; | ||
| return new Promise(function (res) { | ||
| return setTimeout(res, time); | ||
| return setTimeout(function () { | ||
| return res(resolveWith); | ||
| }, time); | ||
| }); | ||
@@ -1919,6 +1956,5 @@ } | ||
| exports.add = add; | ||
| exports.getSize = getSize; | ||
| exports.removeAll = removeAll; | ||
| exports.runAll = runAll; | ||
| exports.removeAll = removeAll; | ||
| exports.getSize = getSize; | ||
| exports["default"] = void 0; | ||
@@ -1973,10 +2009,2 @@ var _detectNode = _interopRequireDefault(require("detect-node")); | ||
| } | ||
| var _default = { | ||
| add: add, | ||
| runAll: runAll, | ||
| removeAll: removeAll, | ||
| getSize: getSize | ||
| }; | ||
| exports["default"] = _default; | ||
| },{"./browser.js":19,"./node.js":15,"@babel/runtime/helpers/interopRequireDefault":13,"detect-node":16}]},{},[2]); |
@@ -1,1 +0,1 @@ | ||
| !function r(o,i,s){function a(t,e){if(!i[t]){if(!o[t]){var n="function"==typeof require&&require;if(!e&&n)return n(t,!0);if(u)return u(t,!0);throw(n=new Error("Cannot find module '"+t+"'")).code="MODULE_NOT_FOUND",n}n=i[t]={exports:{}},o[t][0].call(n.exports,function(e){return a(o[t][1][e]||e)},n,n.exports,r,o,i,s)}return i[t].exports}for(var u="function"==typeof require&&require,e=0;e<s.length;e++)a(s[e]);return a}({1:[function(e,t,n){"use strict";Object.defineProperty(n,"__esModule",{value:!0}),n.BroadcastChannel=void 0,n.clearNodeFolder=function(e){e=(0,s.fillOptionsWithDefaults)(e);e=(0,i.chooseMethod)(e);return"node"===e.type?e.clearNodeFolder().then(function(){return!0}):o.PROMISE_RESOLVED_FALSE},n.enforceOptions=function(e){r=e};var r,o=e("./util.js"),i=e("./method-chooser.js"),s=e("./options.js"),e=function(e,t){var n;this.name=e,r&&(t=r),this.options=(0,s.fillOptionsWithDefaults)(t),this.method=(0,i.chooseMethod)(this.options),this._iL=!1,this._onML=null,this._addEL={message:[],internal:[]},this._uMP=new Set,this._befC=[],this._prepP=null,t=(n=this).method.create(n.name,n.options),(0,o.isPromise)(t)?(n._prepP=t).then(function(e){n._state=e}):n._state=t};function a(t,e,n){var r={time:t.method.microSeconds(),type:e,data:n};return(t._prepP||o.PROMISE_RESOLVED_VOID).then(function(){var e=t.method.postMessage(t._state,r);return t._uMP.add(e),e.catch().then(function(){return t._uMP.delete(e)}),e})}function u(e){return 0<e._addEL.message.length||0<e._addEL.internal.length}function c(e,t,n){e._addEL[t].push(n),function(e){{var t,n;!e._iL&&u(e)&&(t=function(t){e._addEL[t.type].forEach(function(e){t.time>=e.time&&e.fn(t.data)})},n=e.method.microSeconds(),e._prepP?e._prepP.then(function(){e._iL=!0,e.method.onMessage(e._state,t,n)}):(e._iL=!0,e.method.onMessage(e._state,t,n)))}}(e)}function l(e,t,n){e._addEL[t]=e._addEL[t].filter(function(e){return e!==n}),function(e){{var t;e._iL&&!u(e)&&(e._iL=!1,t=e.method.microSeconds(),e.method.onMessage(e._state,null,t))}}(e)}(n.BroadcastChannel=e)._pubkey=!0,e.prototype={postMessage:function(e){if(this.closed)throw new Error("BroadcastChannel.postMessage(): Cannot post message after channel has closed");return a(this,"message",e)},postInternal:function(e){return a(this,"internal",e)},set onmessage(e){var t={time:this.method.microSeconds(),fn:e};l(this,"message",this._onML),e&&"function"==typeof e?(this._onML=t,c(this,"message",t)):this._onML=null},addEventListener:function(e,t){var n=this.method.microSeconds();c(this,e,{time:n,fn:t})},removeEventListener:function(e,t){var n=this._addEL[e].find(function(e){return e.fn===t});l(this,e,n)},close:function(){var e=this;if(!this.closed){this.closed=!0;var t=this._prepP||o.PROMISE_RESOLVED_VOID;return this._onML=null,this._addEL.message=[],t.then(function(){return Promise.all(Array.from(e._uMP))}).then(function(){return Promise.all(e._befC.map(function(e){return e()}))}).then(function(){return e.method.close(e._state)})}},get type(){return this.method.type},get isClosed(){return this.closed}}},{"./method-chooser.js":6,"./options.js":11,"./util.js":12}],2:[function(e,t,n){"use strict";var r=e("./index.es5.js"),e=r.BroadcastChannel,r=r.createLeaderElection;window.BroadcastChannel2=e,window.createLeaderElection=r},{"./index.es5.js":3}],3:[function(e,t,n){"use strict";e=e("./index.js");t.exports={BroadcastChannel:e.BroadcastChannel,createLeaderElection:e.createLeaderElection,clearNodeFolder:e.clearNodeFolder,enforceOptions:e.enforceOptions,beLeader:e.beLeader}},{"./index.js":4}],4:[function(e,t,n){"use strict";Object.defineProperty(n,"__esModule",{value:!0}),Object.defineProperty(n,"BroadcastChannel",{enumerable:!0,get:function(){return r.BroadcastChannel}}),Object.defineProperty(n,"beLeader",{enumerable:!0,get:function(){return o.beLeader}}),Object.defineProperty(n,"clearNodeFolder",{enumerable:!0,get:function(){return r.clearNodeFolder}}),Object.defineProperty(n,"createLeaderElection",{enumerable:!0,get:function(){return o.createLeaderElection}}),Object.defineProperty(n,"enforceOptions",{enumerable:!0,get:function(){return r.enforceOptions}});var r=e("./broadcast-channel"),o=e("./leader-election")},{"./broadcast-channel":1,"./leader-election":5}],5:[function(e,t,n){"use strict";var r=e("@babel/runtime/helpers/interopRequireDefault");Object.defineProperty(n,"__esModule",{value:!0}),n.beLeader=u,n.createLeaderElection=function(e,t){if(e._leaderElector)throw new Error("BroadcastChannel already has a leader-elector");t=function(e,t){e=e||{};(e=JSON.parse(JSON.stringify(e))).fallbackInterval||(e.fallbackInterval=3e3);e.responseTime||(e.responseTime=t.method.averageResponseTime(t.options));return e}(t,e);var n=new i(e,t);return e._befC.push(function(){return n.die()}),e._leaderElector=n};var s=e("./util.js"),o=r(e("unload")),i=function(e,t){this.broadcastChannel=e,this._options=t,this.isLeader=!1,this.hasLeader=!1,this.isDead=!1,this.token=(0,s.randomToken)(),this._isApl=!1,this._reApply=!1,this._unl=[],this._lstns=[],this._invs=[],this._dpL=function(){},this._dpLC=!1};function a(e,t){t={context:"leader",action:t,token:e.token};return e.broadcastChannel.postInternal(t)}function u(t){t.isLeader=!0,t.hasLeader=!0;var e=o.default.add(function(){return t.die()});t._unl.push(e);e=function(e){"leader"===e.context&&"apply"===e.action&&a(t,"tell"),"leader"!==e.context||"tell"!==e.action||t._dpLC||(t._dpLC=!0,t._dpL(),a(t,"tell"))};return t.broadcastChannel.addEventListener("internal",e),t._lstns.push(e),a(t,"tell")}i.prototype={applyOnce:function(){var t=this;if(this.isLeader)return s.PROMISE_RESOLVED_FALSE;if(this.isDead)return s.PROMISE_RESOLVED_FALSE;if(this._isApl)return this._reApply=!0,s.PROMISE_RESOLVED_FALSE;function n(e){"leader"===e.context&&e.token!=t.token&&(o.push(e),"apply"===e.action&&e.token>t.token&&(r=!0),"tell"===e.action&&(r=!0,t.hasLeader=!0))}var r=!(this._isApl=!0),o=[];return this.broadcastChannel.addEventListener("internal",n),a(this,"apply").then(function(){return(0,s.sleep)(t._options.responseTime)}).then(function(){return r?Promise.reject(new Error):a(t,"apply")}).then(function(){return(0,s.sleep)(t._options.responseTime)}).then(function(){return r?Promise.reject(new Error):a(t)}).then(function(){return u(t)}).then(function(){return!0}).catch(function(){return!1}).then(function(e){return t.broadcastChannel.removeEventListener("internal",n),t._isApl=!1,!e&&t._reApply?(t._reApply=!1,t.applyOnce()):e})},awaitLeadership:function(){return this._aLP||(this._aLP=function(i){if(i.isLeader)return s.PROMISE_RESOLVED_VOID;return new Promise(function(e){var t=!1;function n(){t||(t=!0,clearInterval(r),i.broadcastChannel.removeEventListener("internal",o),e(!0))}i.applyOnce().then(function(){i.isLeader&&n()});var r=setInterval(function(){i.applyOnce().then(function(){i.isLeader&&n()})},i._options.fallbackInterval);i._invs.push(r);var o=function(e){"leader"===e.context&&"death"===e.action&&(i.hasLeader=!1,i.applyOnce().then(function(){i.isLeader&&n()}))};i.broadcastChannel.addEventListener("internal",o),i._lstns.push(o)})}(this)),this._aLP},set onduplicate(e){this._dpL=e},die:function(){var t=this;if(!this.isDead&&this.isLeader)return this.hasLeader=!1,this.isDead=!0,this._lstns.forEach(function(e){return t.broadcastChannel.removeEventListener("internal",e)}),this._invs.forEach(function(e){return clearInterval(e)}),this._unl.forEach(function(e){e.remove()}),a(this,"death")}}},{"./util.js":12,"@babel/runtime/helpers/interopRequireDefault":13,unload:20}],6:[function(e,t,n){"use strict";var r=e("@babel/runtime/helpers/interopRequireDefault");e("@babel/runtime/helpers/typeof");Object.defineProperty(n,"__esModule",{value:!0}),n.chooseMethod=function(t){var e=[].concat(t.methods,u).filter(Boolean);if(t.type){if("simulate"===t.type)return s.default;var n=e.find(function(e){return e.type===t.type});if(n)return n;throw new Error("method-type "+t.type+" not found")}t.webWorkerSupport||a.isNode||(e=e.filter(function(e){return"idb"!==e.type}));e=e.find(function(e){return e.canBeUsed()});{if(e)return e;throw new Error("No useable method found in "+JSON.stringify(u.map(function(e){return e.type})))}};var o=r(e("./methods/native.js")),i=r(e("./methods/indexed-db.js")),n=r(e("./methods/localstorage.js")),s=r(e("./methods/simulate.js")),a=e("./util");var u=[o.default,i.default,n.default]},{"./methods/indexed-db.js":7,"./methods/localstorage.js":8,"./methods/native.js":9,"./methods/simulate.js":10,"./util":12,"@babel/runtime/helpers/interopRequireDefault":13,"@babel/runtime/helpers/typeof":14}],7:[function(e,t,n){"use strict";Object.defineProperty(n,"__esModule",{value:!0}),n.averageResponseTime=w,n.canBeUsed=y,n.cleanOldMessages=h,n.close=b,n.create=m,n.createDatabase=c,n.default=void 0,n.getAllMessages=function(e){var n=e.transaction(a).objectStore(a),r=[];return new Promise(function(t){n.openCursor().onsuccess=function(e){e=e.target.result;e?(r.push(e.value),e.continue()):t(r)}})},n.getIdb=u,n.getMessagesHigherThan=d,n.getOldMessages=p,n.microSeconds=void 0,n.onMessage=g,n.postMessage=_,n.removeMessageById=f,n.type=void 0,n.writeMessage=l;var o=e("../util.js"),i=e("oblivious-set"),s=e("../options"),e=o.microSeconds;n.microSeconds=e;var r="pubkey.broadcast-channel-0-",a="messages";function u(){if("undefined"!=typeof indexedDB)return indexedDB;if("undefined"!=typeof window){if(void 0!==window.mozIndexedDB)return window.mozIndexedDB;if(void 0!==window.webkitIndexedDB)return window.webkitIndexedDB;if(void 0!==window.msIndexedDB)return window.msIndexedDB}return!1}function c(e){var n=u().open(r+e,1);return n.onupgradeneeded=function(e){e.target.result.createObjectStore(a,{keyPath:"id",autoIncrement:!0})},new Promise(function(e,t){n.onerror=function(e){return t(e)},n.onsuccess=function(){e(n.result)}})}function l(e,t,n){var r={uuid:t,time:(new Date).getTime(),data:n},o=e.transaction([a],"readwrite");return new Promise(function(e,t){o.oncomplete=function(){return e()},o.onerror=function(e){return t(e)},o.objectStore(a).add(r)})}function d(e,n){var r=e.transaction(a).objectStore(a),o=[];return new Promise(function(t){(function(){try{var e=IDBKeyRange.bound(n+1,1/0);return r.openCursor(e)}catch(e){return 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| "use strict"; | ||
| var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault"); | ||
| Object.defineProperty(exports, "__esModule", { | ||
@@ -13,5 +11,7 @@ value: true | ||
| var _unload = _interopRequireDefault(require("unload")); | ||
| var _unload = require("unload"); | ||
| var LeaderElection = function LeaderElection(broadcastChannel, options) { | ||
| var _this = this; | ||
| this.broadcastChannel = broadcastChannel; | ||
@@ -23,2 +23,9 @@ this._options = options; | ||
| this.token = (0, _util.randomToken)(); | ||
| /** | ||
| * _isApplying | ||
| * Only set when a leader application is | ||
| * running at the moment. | ||
| * @type {Promise<any> | null} | ||
| */ | ||
| this._isApl = false; // _isApplying | ||
@@ -38,2 +45,24 @@ | ||
| this._dpLC = false; // true when onduplicate called | ||
| /** | ||
| * Even when the own instance is not applying, | ||
| * we still listen to messages to ensure the hasLeader flag | ||
| * is set correctly. | ||
| */ | ||
| var hasLeaderListener = function hasLeaderListener(msg) { | ||
| if (msg.context === 'leader') { | ||
| if (msg.action === 'death') { | ||
| _this.hasLeader = false; | ||
| } | ||
| if (msg.action === 'tell') { | ||
| _this.hasLeader = true; | ||
| } | ||
| } | ||
| }; | ||
| this.broadcastChannel.addEventListener('internal', hasLeaderListener); | ||
| this._lstns.push(hasLeaderListener); | ||
| }; | ||
@@ -43,6 +72,6 @@ | ||
| applyOnce: function applyOnce() { | ||
| var _this = this; | ||
| var _this2 = this; | ||
| if (this.isLeader) { | ||
| return _util.PROMISE_RESOLVED_FALSE; | ||
| return (0, _util.sleep)(0, true); | ||
| } | ||
@@ -57,6 +86,5 @@ | ||
| this._reApply = true; | ||
| return _util.PROMISE_RESOLVED_FALSE; | ||
| return (0, _util.sleep)(0, false); | ||
| } | ||
| this._isApl = true; | ||
| var stopCriteria = false; | ||
@@ -66,3 +94,3 @@ var recieved = []; | ||
| var handleMessage = function handleMessage(msg) { | ||
| if (msg.context === 'leader' && msg.token != _this.token) { | ||
| if (msg.context === 'leader' && msg.token != _this2.token) { | ||
| recieved.push(msg); | ||
@@ -72,3 +100,3 @@ | ||
| // other is applying | ||
| if (msg.token > _this.token) { | ||
| if (msg.token > _this2.token) { | ||
| // other has higher token, stop applying | ||
@@ -82,3 +110,3 @@ stopCriteria = true; | ||
| stopCriteria = true; | ||
| _this.hasLeader = true; | ||
| _this2.hasLeader = true; | ||
| } | ||
@@ -90,5 +118,5 @@ } | ||
| var ret = _sendMessage(this, 'apply') // send out that this one is applying | ||
| var applyPromise = _sendMessage(this, 'apply') // send out that this one is applying | ||
| .then(function () { | ||
| return (0, _util.sleep)(_this._options.responseTime); | ||
| return (0, _util.sleep)(_this2._options.responseTime); | ||
| }) // let others time to respond | ||
@@ -99,6 +127,6 @@ .then(function () { | ||
| } else { | ||
| return _sendMessage(_this, 'apply'); | ||
| return _sendMessage(_this2, 'apply'); | ||
| } | ||
| }).then(function () { | ||
| return (0, _util.sleep)(_this._options.responseTime); | ||
| return (0, _util.sleep)(_this2._options.responseTime); | ||
| }) // let others time to respond | ||
@@ -109,6 +137,6 @@ .then(function () { | ||
| } else { | ||
| return _sendMessage(_this); | ||
| return _sendMessage(_this2); | ||
| } | ||
| }).then(function () { | ||
| return beLeader(_this); | ||
| return beLeader(_this2); | ||
| }) // no one disagreed -> this one is now leader | ||
@@ -121,13 +149,16 @@ .then(function () { | ||
| .then(function (success) { | ||
| _this.broadcastChannel.removeEventListener('internal', handleMessage); | ||
| _this2.broadcastChannel.removeEventListener('internal', handleMessage); | ||
| _this._isApl = false; | ||
| _this2._isApl = false; | ||
| if (!success && _this._reApply) { | ||
| _this._reApply = false; | ||
| return _this.applyOnce(); | ||
| } else return success; | ||
| if (!success && _this2._reApply) { | ||
| _this2._reApply = false; | ||
| return _this2.applyOnce(); | ||
| } else { | ||
| return success; | ||
| } | ||
| }); | ||
| return ret; | ||
| this._isApl = applyPromise; | ||
| return applyPromise; | ||
| }, | ||
@@ -149,15 +180,10 @@ awaitLeadership: function awaitLeadership() { | ||
| die: function die() { | ||
| var _this2 = this; | ||
| var _this3 = this; | ||
| if (this.isDead || !this.isLeader) { | ||
| return; | ||
| } | ||
| this.hasLeader = false; | ||
| this.isDead = true; | ||
| this._lstns.forEach(function (listener) { | ||
| return _this2.broadcastChannel.removeEventListener('internal', listener); | ||
| return _this3.broadcastChannel.removeEventListener('internal', listener); | ||
| }); | ||
| this._lstns = []; | ||
| this._invs.forEach(function (interval) { | ||
@@ -167,6 +193,16 @@ return clearInterval(interval); | ||
| this._invs = []; | ||
| this._unl.forEach(function (uFn) { | ||
| uFn.remove(); | ||
| return uFn.remove(); | ||
| }); | ||
| this._unl = []; | ||
| if (this.isLeader) { | ||
| this.hasLeader = false; | ||
| this.isLeader = false; | ||
| } | ||
| this.isDead = true; | ||
| return _sendMessage(this, 'death'); | ||
@@ -249,4 +285,3 @@ } | ||
| leaderElector.hasLeader = true; | ||
| var unloadFn = _unload["default"].add(function () { | ||
| var unloadFn = (0, _unload.add)(function () { | ||
| return leaderElector.die(); | ||
@@ -253,0 +288,0 @@ }); |
@@ -63,3 +63,3 @@ "use strict"; | ||
| var _unload = _interopRequireDefault(require("unload")); | ||
| var _unload = require("unload"); | ||
@@ -750,3 +750,3 @@ var _options = require("../options.js"); | ||
| // ensure if process crashes, everything is cleaned up | ||
| removeUnload: _unload["default"].add(function () { | ||
| removeUnload: (0, _unload.add)(function () { | ||
| return close(state); | ||
@@ -753,0 +753,0 @@ }), |
@@ -29,6 +29,8 @@ "use strict"; | ||
| function sleep(time) { | ||
| function sleep(time, resolveWith) { | ||
| if (!time) time = 0; | ||
| return new Promise(function (res) { | ||
| return setTimeout(res, time); | ||
| return setTimeout(function () { | ||
| return res(resolveWith); | ||
| }, time); | ||
| }); | ||
@@ -35,0 +37,0 @@ } |
| { | ||
| "name": "broadcast-channel", | ||
| "version": "4.4.0", | ||
| "version": "4.5.0", | ||
| "description": "A BroadcastChannel that works in New Browsers, Old Browsers, WebWorkers and NodeJs", | ||
@@ -88,3 +88,3 @@ "exports": { | ||
| "rimraf": "3.0.2", | ||
| "unload": "2.2.0" | ||
| "unload": "2.3.1" | ||
| }, | ||
@@ -123,3 +123,3 @@ "devDependencies": { | ||
| "karma-edge-launcher": "0.4.2", | ||
| "karma-firefox-launcher": "2.1.1", | ||
| "karma-firefox-launcher": "2.1.2", | ||
| "karma-ie-launcher": "1.0.0", | ||
@@ -135,3 +135,3 @@ "karma-mocha": "2.0.1", | ||
| "rollup-plugin-terser": "7.0.2", | ||
| "testcafe": "1.16.1", | ||
| "testcafe": "1.17.0", | ||
| "ts-node": "10.4.0", | ||
@@ -141,5 +141,5 @@ "typescript": "4.4.4", | ||
| "watchify": "4.0.0", | ||
| "webpack": "5.61.0", | ||
| "webpack": "5.62.1", | ||
| "webpack-cli": "4.9.1" | ||
| } | ||
| } |
@@ -8,3 +8,5 @@ import { | ||
| import unload from 'unload'; | ||
| import { | ||
| add as unloadAdd | ||
| } from 'unload'; | ||
@@ -20,2 +22,8 @@ const LeaderElection = function (broadcastChannel, options) { | ||
| /** | ||
| * _isApplying | ||
| * Only set when a leader application is | ||
| * running at the moment. | ||
| * @type {Promise<any> | null} | ||
| */ | ||
| this._isApl = false; // _isApplying | ||
@@ -30,2 +38,21 @@ this._reApply = false; | ||
| this._dpLC = false; // true when onduplicate called | ||
| /** | ||
| * Even when the own instance is not applying, | ||
| * we still listen to messages to ensure the hasLeader flag | ||
| * is set correctly. | ||
| */ | ||
| const hasLeaderListener = (msg => { | ||
| if (msg.context === 'leader') { | ||
| if (msg.action === 'death') { | ||
| this.hasLeader = false; | ||
| } | ||
| if (msg.action === 'tell') { | ||
| this.hasLeader = true; | ||
| } | ||
| } | ||
| }); | ||
| this.broadcastChannel.addEventListener('internal', hasLeaderListener); | ||
| this._lstns.push(hasLeaderListener); | ||
| }; | ||
@@ -36,3 +63,3 @@ | ||
| if (this.isLeader) { | ||
| return PROMISE_RESOLVED_FALSE; | ||
| return sleep(0, true); | ||
| } | ||
@@ -46,5 +73,4 @@ if (this.isDead) { | ||
| this._reApply = true; | ||
| return PROMISE_RESOLVED_FALSE; | ||
| return sleep(0, false); | ||
| } | ||
| this._isApl = true; | ||
@@ -57,3 +83,2 @@ let stopCriteria = false; | ||
| recieved.push(msg); | ||
| if (msg.action === 'apply') { | ||
@@ -75,3 +100,3 @@ // other is applying | ||
| this.broadcastChannel.addEventListener('internal', handleMessage); | ||
| const ret = _sendMessage(this, 'apply') // send out that this one is applying | ||
| const applyPromise = _sendMessage(this, 'apply') // send out that this one is applying | ||
| .then(() => sleep(this._options.responseTime)) // let others time to respond | ||
@@ -102,5 +127,8 @@ .then(() => { | ||
| return this.applyOnce(); | ||
| } else return success; | ||
| } else { | ||
| return success; | ||
| } | ||
| }); | ||
| return ret; | ||
| this._isApl = applyPromise; | ||
| return applyPromise; | ||
| }, | ||
@@ -123,13 +151,14 @@ | ||
| die() { | ||
| if (this.isDead || !this.isLeader) { | ||
| return; | ||
| this._lstns.forEach(listener => this.broadcastChannel.removeEventListener('internal', listener)); | ||
| this._lstns = []; | ||
| this._invs.forEach(interval => clearInterval(interval)); | ||
| this._invs = []; | ||
| this._unl.forEach(uFn => uFn.remove()); | ||
| this._unl = []; | ||
| if (this.isLeader) { | ||
| this.hasLeader = false; | ||
| this.isLeader = false; | ||
| } | ||
| this.hasLeader = false; | ||
| this.isDead = true; | ||
| this._lstns.forEach(listener => this.broadcastChannel.removeEventListener('internal', listener)); | ||
| this._invs.forEach(interval => clearInterval(interval)); | ||
| this._unl.forEach(uFn => { | ||
| uFn.remove(); | ||
| }); | ||
| return _sendMessage(this, 'death'); | ||
@@ -209,3 +238,3 @@ } | ||
| leaderElector.hasLeader = true; | ||
| const unloadFn = unload.add(() => leaderElector.die()); | ||
| const unloadFn = unloadAdd(() => leaderElector.die()); | ||
| leaderElector._unl.push(unloadFn); | ||
@@ -212,0 +241,0 @@ |
@@ -16,3 +16,5 @@ /** | ||
| import isNode from 'detect-node'; | ||
| import unload from 'unload'; | ||
| import { | ||
| add as unloadAdd | ||
| } from 'unload'; | ||
@@ -395,3 +397,3 @@ import { fillOptionsWithDefaults } from '../options.js'; | ||
| // ensure if process crashes, everything is cleaned up | ||
| removeUnload: unload.add(() => close(state)), | ||
| removeUnload: unloadAdd(() => close(state)), | ||
| closed: false | ||
@@ -398,0 +400,0 @@ }; |
@@ -16,5 +16,5 @@ /** | ||
| export function sleep(time) { | ||
| export function sleep(time, resolveWith) { | ||
| if (!time) time = 0; | ||
| return new Promise(res => setTimeout(res, time)); | ||
| return new Promise(res => setTimeout(() => res(resolveWith), time)); | ||
| } | ||
@@ -21,0 +21,0 @@ |
New alerts
License Policy Violation
LicenseThis package is not allowed per your license policy. Review the package's license to ensure compliance.
Found 1 instance in 1 package
Fixed alerts
License Policy Violation
LicenseThis package is not allowed per your license policy. Review the package's license to ensure compliance.
Found 1 instance in 1 package
Improved metrics
- Total package byte prevSize
- increased by1.05%
462091
- Lines of code
- increased by1.46%
12132
Dependency changes
+ Addedunload@2.3.1(transitive)
- Removedunload@2.2.0(transitive)
Updatedunload@2.3.1